I cannot login

I had the same problem
Browse your filesystem on a PC with linux and check out this file:
/etc/securetty
It allows (or not) users login to any terminal (tty1, tty2, etc.)
Most likely (like in my case) you'll find root user not allowed to login.
Cheers


 
____________________________________________________________________________________
No need to miss a message. Get email on-the-go 
with Yahoo! Mail for Mobile. Get started.
http://mobile.yahoo.com/mail 

------------------------------------------------------------------------------
The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
Pinpoint memory and threading errors before they happen.
Find and fix more than 250 security defects in the development cycle.
Locate bottlenecks in serial and parallel code that limit performance.
http://p.sf.net/sfu/intel-dev2devfeb